Riaan F Rifkin

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Questions related from Riaan F Rifkin

Ancient Neisseria gonorrhoeae?

Besides Chinese (2600 BC) textual references to gonorrhea-like symptoms, is there any evidence for its (presumably) more ancient origins? In the Near East or Africa perhaps?

15 June 2017 812 5 View

Thoughts on the significance of prehistoric pathogens for contemporary disease prevention and treatment?

Based on recent literature I am under the impression that the genome-wide comparison of prehistoric and modern pathogen DNA is significant for the following reasons: Prehistoric human microbiomes...

08 May 2016 4,642 1 View

Is there any information concerning the geographic origins of Serratia marcescens?

Serratia marcescens is a broad host-range pathogen and is capable of opportunistic infections of humans. As a member of the Enterobacteriaceae, it is related to Escherichia and Shigella,...

01 January 2016 7,974 7 View

Is there any conclusive genetic or archaeological evidence for the geographic origin and subsequent distribution of Pulex irritans?

The human flea, Pulex irritans, is a cosmopolitan flea species that has, in spite of the common name, a wide host spectrum. It is one of six species in the genus Pulex; the other five are all...

02 February 2015 1,391 2 View